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Remove the lower bearing 11 from the body housing at this time. 4. Loosen the hexagon socket head cap screw with washers 12 to remove the cover 2 and 3 from the body. (Remove the cover from the right and left sides.) 5. Remove the piston 4 with the rack 6 from the body.

2 Refer to How to Order in page 17-4-32. Pilot solenoid valve 17-4-36

Specifications Operating principle 1 2 3 4 1 2 3 4 SY1 T SY1 AT SY Series Power consumption at holding is decreased with the below indicated circuit, for energy savings.

depth 14 Mounting thread 10 22 40 54 4 x M10 x 1.5 thread depth 12 Mounting thread (Both sides) 8 8 Open 23 Closed 2 50 0.2 124 110 64 30 7 50 0.2 36 2.5 10 16 60.5 (157) 52.5 35 66 Rc (G , NPT ) 1 4 1 4 1 4 2 x M10 x 1.5 thread depth 12 Mounting thread Finger closing port Rc (G , NPT ) 1 4 1 4 1 4 20 0.1 0 24 0.1 0 Finger opening port O 52 S 25 39.5 10.5 4 x M10 x 1.5 bottom hole dia.

Nil N Port size Size Applicable model Flow rate (l/min) Symbol Output specification 40 4 16 3/8 1/2 3/4 PFW704, PFW720 PFW720, PFW740 PFW740 03 04 06 NPN open collector 2 outputs PNP open collector 2 outputs 27 67 Specifications PFW720 PFW704 PFW740 Model Measured fluid Water Karman vortex Detection type 2 to16l/min 0.5 to 4 (setting is 0.6 to 4) l/min 5 to 40l/min Flow rate measurement

size Symbol Port size Symbol Symbol Standard characteristics Set pressure range (MPa) Without sub-plate Without sub-plate 1 2 3 Nil 02 03 13 9 5 Symbol 2 1/4 Nil 02 03 0.05 to 0.65MPa 1 3/8 2 1/4 2 0.1 to 0.9MPa 2 02 03 04 03 04 06 1/4 3/8 1/2 3/8 1/2 3/4 1 2 3 4 3/8 03 04 06 3 1 30 3/8 0.005 to 0.15MPa 1 4 1/2 4 45 1 3/4 12 8 4.5 2.5 Without sub-plate Nil 02 03 1(P) Symbol Flow type (VEF2

VH Base mounted VHS Caution Pilot Pressure Range For Safety Instructions and Solenoid Valve Precautions, refer to pages 5-11-2 to 5-11-6. 0.6 Body ported Pilot pressure (MPa) Pilot pressure range 0.5 Series SYJA700 0.4 JIS Symbol 0.3 SYJA512 4 SYJA712 4 SYJA522 4 SYJA722 4 0.2 (A) 2 (A) 2 0.1 0.2 0.3 0.4 0.5 0.6 Operating pressure (MPa) 1 (P) 3 (R) 1 (P) 3 (R) N.C. N.O.

1 4 3 8 1 4 3 8 1 4 3 8 1 4 3 8 1 4 3 8 VFA5120 2 position single 02 03 0.33 1 8 VFA5220 2 position double 0.34 1 8 34.2 (1.9) 45 (2.5) 02 03 Body ported Base mounted (With sub-plate) Base mounted VFA5320 -X1 3 position closed center 0.43 1 8 30.6 (1.7) 36 (2) 02 03 VFA5420 -X1 3 position exhaustcenter 0.43 1 8 32.4 (1.8) 41.4 (2.3) 02 03 VFA5520 -X1 3 position pressuretcenter 0.43 1 8 32

If a small flat head screwdriver is inserted into the gap between housing (2) and terminal block (3), terminal block (3) will be removed from housing (2). (See diagram at the top right of the page.) 4) Remove cable gland (4), washer (5) rubber seal (6).

Connection Thread Tightening Method Chamfer Dimension for Female Thread Chamfer dimension D (Recommended value) (mm) M5 5.15.4 10-32UNF 5.05.3 Rc1/8 10.210.4 Rc1/4 13.613.8 Rc3/8 17.117.3 Rc1/2 21.421.6 NPTNPTF1/8 10.510.7 NPTNPTF1/4 14.114.3 NPTNPTF3/8 17.417.6 NPTNPTF1/2 21.721.9 Connection thread size Tightening torque Nm NPTR1/8 3 to 5 NPTR1/4 8 to 12 NPTR3/8 15 to 20 NPTR1/2 20 to 25

Dimensions Standard specifications Model P1 P2 A B C D E F G H J Single Double VHS20-D 1/8, 1/4 1/8 48.5 51.7 23 40 37 28 42 17.5 40 21 VHS30-D 1/4, 3/8 1/4 55 58.2 32 53 49 38 53 20 53 26.5 VHS40-D 1/4, 3/8, 1/2 3/8 69.7 73.9 41.3 70 63 52 71 29 70 35.5 VHS40-06-D 3/4 1/2 71.7 75.9 43.3 75 63 52 71 29 70 35.5 VHS50-D 3/4, 1 1/2 86.5 90.7 44.5 90 80 72 90 33 90 45 Options specifications With

No. 1 No. 2 No. 3 No. 4 No. 5 No. 6 No. 7 No. 8 64 32 16 8 4 2 1 1 0 0 0 0 0 0 1 2 0 0 0 0 0 1 0 ADDRESS 3 0 0 0 0 0 1 1 4 0 0 0 0 1 0 0 : : : : : : : : 125 1 1 1 1 1 0 1 CLEAR 0 OUTPUT STATE HOLD 1 The PROFIBUS DP address is binary coded and can be set from 1 to 125 using the 8-element switch. : Factory default setting is Address 1.

Port size NPT Model Model 10-32 UNF M5 3/8 1/8 1/4 1/2 3/8 1/8 1/4 1/2 AKH04 AKH06 AKH08 AKH10 AKH12 AKH03 AKH07 AKH09 AKH11 AKH13 4 6 8 10 12 5/32" 1/4" 5/16" 3/8" 1/2" From one-touch fitting to male thread B Bushing Type AKB 01 A 01 S With sealant (standard) Body size Port size 01 1/8 01 1/8 Thread type 02 1/4 02 1/4 03 3/8 Nil R 03 3/8 04 1/2 N NPT 04 1/2 Check valve free flow direction

MHF2-8D, D1 MHF2-8D2 MHF2-12D, D1 MHF2-12D2 MHF-B08 (2 pcs.) MHF-B08 (4 pcs.) MHF-B12 (2 pcs.) MHF-B12 (4 pcs.)

Moreover, the residual voltage of the diode is approximately 1 V. 4-2-11

F.S.(25 ) NPN PNP 2 OFF 80 mA (NPN) 28 V () 1 V (80 mA ) 1 1.5ms (20,100,500,1000,2000,5000 ms ) 0 2 1~5V 0.6~5V 1 k 4~20 mA 2.4~20 mA 12 V 300 24 V 600 50 0.4 V 5ms -76No.PS-OMU0005CN-C ZSE20B() ZSE20BF() ISE20B() 3 MPa,kPa,kgf/cm 2,bar,psi,InHg,mmHg MPa,kPa,kgf/cm 2, bar,psi LCD 3 (X2) 1)/ 2) 1)4 7 2)4 (1 11 7 ) ON OUT1OUT2 4 0,10,50,100,500,1000,5000 ms IP65 AC1000

DC(-) DC(+) OUT1(PNP) -67 67 67 67 PNP 2 Max.80 mA DC12 24 V OUT2(PNP) DC(-) -14No.PS-OMH0002CN-D FG 2 2: 1: 3: 4: -65 -27/-67 -43 1 DC(+) 1 DC(+) 1 DC(+) 2 OUT1(PNP) 2 2 OUT2(NPN PNP) 3 DC(-) 3 DC(-) 3 DC(-) 4 OUT1(NPN PNP) (14 ) 4 OUT1(NPN) 4 OUT1(PNP) -15No.PS-OMH0002CN-D 0 SET2 30SET 2 1 4 1) OUT1 UPDOWN (H_1) (H_1) (H_1) (H_1) (H_1) (H_1) SETOUT1 -16No.PS-OMH0002CN-D

VK300-82-2-01 VK300-82-2-03 110 VAC 110V VK300-82-2-02 200 VAC 200V VK300-82-2-04 220 VAC 220V 240 VAC 240V 6 VDC 6V 12 VDC 12V 24 VDC 24VD 48 VDC 48VD VK300-82-2-07 VK300-82-4-51 VK300-82-4-06 VK300-82-3-05 VK300-82-3-53 DIN terminal type Indicator light (Built-in connector) Marking Circuit with indicator light AC circuit diagram 12 VDC or less circuit diagram 24 VDC or more circuit diagram